How far is Helena, MT, from Riyadh?

The distance between Riyadh (King Khalid International Airport) and Helena (Helena Regional Airport) is 7329 miles / 11795 kilometers / 6369 nautical miles.

Distance from Riyadh to Helena

There are several ways to calculate the distance from Riyadh to Helena. Here are two standard methods:

Vincenty's formula (applied above)

• 7328.895 miles
• 11794.713 kilometers
• 6368.635 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 7315.599 miles
• 11773.316 kilometers
• 6357.082 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Riyadh to Helena?

The estimated flight time from King Khalid International Airport to Helena Regional Airport is 14 hours and 22 minutes.

What is the time difference between Riyadh and Helena?

The time difference between Riyadh and Helena is 10 hours. Helena is 10 hours behind Riyadh.

Flight carbon footprint between King Khalid International Airport (RUH) and Helena Regional Airport (HLN)

On average, flying from Riyadh to Helena generates about 901 kg of CO2 per passenger, and 901 kilograms equals 1 987 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Riyadh to Helena

See the map of the shortest flight path between King Khalid International Airport (RUH) and Helena Regional Airport (HLN).

Airport information

Origin	King Khalid International Airport
City:	Riyadh
Country:	Saudi Arabia
IATA Code:	RUH
ICAO Code:	OERK
Coordinates:	24°57′27″N, 46°41′55″E

Destination	Helena Regional Airport
City:	Helena, MT
Country:	United States
IATA Code:	HLN
ICAO Code:	KHLN
Coordinates:	46°36′24″N, 111°58′58″W